3 german black forest cake Recipes

egg whites, at room temperature, cream of tartar, sugar (divided ), egg yolks, all-purpose flour, cocoa, baking powder, salt, fruit juice or 1/2 cup water, orange zest (optional), vanilla or 1 tsp rum flavoring, cherry flavored liqueur (for sprinkling cake layers), softened butter, icing sugar (approx .), strong coffee, sour cherries, frozen & defrosted (pitted) or 3 -4 cups canned & drained cherries (remove pits), whipping cream, sugar, vanilla, chocolate curls

german chocolate cake mix, water, vegetable oil, eggs, nestle semi-sweet and white chocolate swirled chocolate morsels, divided, cherry pie filling, divided